s investigation into the movement. >>> and the ktvu app is ready to download. you can watch all our newscasts live, plus drive time traffic, bay area weather and video breaking news any time anywhere. >>> a new study shows a link between adolescent use and focus. a dutch study focused on teens who suffered from hallucinations and delusions were likely to use pot earlier than most teens and adults. researchers say the study couldn't cause one or the other. the study followed up on earlier findings that concluded that teens who used marijuana were twice as likely to develop psychosis compared with teens who never smoked pot. >>> in iraq, tensions are heating up. thousands of sunny's turned out to call for the overthrow of the government who is dominated by shiite muslims. the latest controversy -- finance minister who is an sunni. >>> today, marks eight years since the devastating earthquake and tu suh unanimousy rocked thailand. prayer services were held today to remember the disaster. the u.n. called it the worst natural disaster to hit thailand. it devastated